threatening to cut off nearly $1 billion in aid to pakistan. at first, the pakistani military sort of brushed it off. but today, the prime minister of pakistan expressed some real concern about that aid being cut. this visit could be one of the first steps to trying to find a way forward in which the two countries can still cooperate. >> the accusation is that elements of the isi, the pakistani intelligence service are helping insurgents, enemies of the united states in afghanistan and effectively helping to kill americans and other nato forces there. what are they saying about that? >> well, wolf, it doesn't make sense when you look ate from an american perspective. when i was in pakistan earlier this year, pakistani officials are very concerned about two things. they feel a threat from india. they're worried about the indians having influence in afghanistan. there are some elements within pakistan that use these insurgents in afghanistan as sort of a check on india's power there. they don't like this idea of this rival india having influence